US9179817B2ActiveUtilityA1

Household appliance, in particular dishwasher, with an acoustic sealing frame for noise reduction

Assignee: BSH BOSCH & SIEMENS HAUSGERAETE GMBHPriority: Jan 30, 2012Filed: Jan 23, 2013Granted: Nov 10, 2015
Est. expiryJan 30, 2032(~5.5 yrs left)· nominal 20-yr term from priority
A47L 15/4255D06F 39/12A47L 15/4246A47L 15/4209
62
PatentIndex Score
3
Cited by
21
References
59
Claims

Abstract

A household appliance includes appliance walls which delimit a space. A covering plate is arranged on an outer face of at least one of the appliance walls so as to leave free a gap. The gap is sealed in an edge region of the covering plate by an acoustic sealing frame.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A household appliance, comprising:
 appliance walls delimiting an interior space; 
 an acoustic sealing frame having an inner surface facing an outer face of a corresponding one of the appliance walls and the acoustic sealing frame having a continuous inner periphery; 
 a covering plate positioned on an outer surface of the sealing frame that is opposite the inner surface such that the covering plate is spaced from the corresponding one of the appliance walls by the acoustic sealing frame; 
 a gap that is defined in an exterior direction facing away from the interior space by the covering plate and the gap is surrounded laterally by the continuous inner periphery of the acoustic sealing frame; and 
 an anti-drumming layer positioned on the outer face of the corresponding one of the appliance walls within the gap and surrounding laterally by the continuous inner periphery of the acoustic sealing frame. 
 
     
     
       2. The household appliance of  claim 1 , wherein the interior space is a dishwasher interior of a dishwasher. 
     
     
       3. The household appliance of  claim 1 , wherein the acoustic sealing frame is made at least partially from a sealing material that is at least one of airborne noise absorbing and airborne noise reflecting. 
     
     
       4. The household appliance of  claim 3 , wherein the sealing material of the acoustic sealing frame includes a substantially noise-absorbing material. 
     
     
       5. The household appliance of  claim 4 , wherein the substantially noise-absorbing material is at least one of elastically deformable and plastically deformable. 
     
     
       6. The household appliance of  claim 5 , wherein the substantially noise-absorbing material is foam, absorbent fleece or felt. 
     
     
       7. The household appliance of  claim 1 , wherein the anti-drumming layer is a bitumen mat. 
     
     
       8. The household appliance of  claim 1 , wherein the covering plate and the acoustic sealing frame extend over a corner region of the interior space. 
     
     
       9. The household appliance of  claim 1 , wherein the acoustic sealing frame is fixed to the corresponding one of the appliance walls by at least one of mechanical securement and gluing. 
     
     
       10. The household appliance of  claim 1 , wherein the covering plate is fixed to the acoustic sealing frame by at least one of mechanical securement and gluing. 
     
     
       11. The household appliance of  claim 1 , further comprising an additional external housing wall which flanks the appliance walls,
 wherein the acoustic sealing frame and the covering plate are positively held in a gap space between the at least one appliance wall and the additional external housing wall. 
 
     
     
       12. The household appliance of  claim 11 , wherein the covering plate forms or replaces at least part of the external housing wall. 
     
     
       13. The household appliance of  claim 1 , wherein the covering plate is produced from a substantially air-borne noise damping material. 
     
     
       14. The household appliance of  claim 13 , wherein the substantially air-borne noise damping material includes fibers selected from the group consisting of cotton, kenaf, and polyester fibers, or includes at least one of embossed fleece or felt, cardboard, and plastic. 
     
     
       15. The household appliance of  claim 1 , wherein the acoustic sealing frame has a geometric shape which is closed all the way around, and is mounted on an edge zone of the at least one appliance wall. 
     
     
       16. The household appliance of  claim 15 , wherein the sealing frame has a substantially rectangular configuration. 
     
     
       17. The household appliance of  claim 1 , constructed as a dishwasher,
 wherein the interior space is a dishwasher interior and the appliance walls are washing tank walls, and 
 wherein the dishwasher interior is surrounded by the washing tank walls and a door, with at least one of the washing tank walls and an inner wall of the door being externally provided with an acoustic sealing frame and a covering plate. 
 
     
     
       18. The household appliance of  claim 1 , wherein the acoustic sealing frame is formed by a structured or panel element which has a through-opening, said covering plate closing the through-opening. 
     
     
       19. The household appliance of  claim 18 , wherein the structured or panel element is an acoustic insulation mat or an acoustic and thermal insulation mat. 
     
     
       20. The household appliance of  claim 18 , wherein the structured or panel element is produced from a substantially air-borne noise absorbing material. 
     
     
       21. The household appliance of  claim 18 , wherein the structured or panel element is produced from an absorbent fleece. 
     
     
       22. The household appliance of  claim 1 , wherein the acoustic sealing frame has a through-opening and is mounted on the corresponding one of the appliance walls in such a way that the through-opening comes to rest over a three-dimensionally contoured uneven or outwardly projecting partial area of the corresponding one of the appliance walls. 
     
     
       23. The household appliance of  claim 1 , wherein the acoustic sealing frame rests largely completely on a substantially planar partial area of the corresponding one of the appliance walls. 
     
     
       24. The household appliance of  claim 23 , wherein the substantially planar partial area is an edge zone area of the corresponding one of the appliance walls. 
     
     
       25. The household appliance of  claim 1 , wherein the covering plate is constructed so as to be substantially planar. 
     
     
       26. The household appliance of  claim 1 , wherein the covering plate has a layer thickness which is less than a layer thickness of the acoustic sealing frame. 
     
     
       27. The household appliance of  claim 1 , wherein the covering plate is shaped and dimensioned to overlap an edge zone on an outside of the acoustic sealing frame to cover a through-opening of the acoustic sealing frame. 
     
     
       28. The household appliance of  claim 1 , wherein the acoustic sealing frame comprises a plurality of elongate frame sections. 
     
     
       29. The household appliance of  claim 28 , wherein the plurality of elongate frame sections define the continuous inner periphery. 
     
     
       30. The household appliance of  claim 1 , wherein the gap comprises a void. 
     
     
       31. A household appliance, comprising:
 an appliance wall delimiting an interior space; 
 an acoustic sealing frame having an first surface proximal to the appliance wall and a second surface distal from the appliance wall; 
 a covering plate attached to the second surface of the acoustic sealing frame such that an outer face of the appliance wall is covered by the covering plate; 
 a gap to provide noise insulation, said gap being defined in an exterior direction that faces way from the interior space by the covering plate, and said gap being surrounded in a lateral direction by a continuous inner periphery of the acoustic sealing frame; and 
 an anti-drumming layer positioned on the outer face of the appliance wall within the gap and surrounding laterally by the continuous inner periphery of the acoustic sealing frame. 
 
     
     
       32. The household appliance of  claim 31 , wherein the acoustic sealing frame is made at least partially from a sealing material that is at least one of airborne noise absorbing and airborne noise reflecting. 
     
     
       33. The household appliance of  claim 32 , wherein the sealing material of the acoustic sealing frame includes a substantially noise-absorbing material. 
     
     
       34. The household appliance of  claim 33 , wherein the substantially noise-absorbing material is at least one of elastically deformable and plastically deformable. 
     
     
       35. The household appliance of  claim 34 , wherein the substantially noise-absorbing material is foam, absorbent fleece or felt. 
     
     
       36. The household appliance of  claim 31 , wherein the anti-drumming layer is a bitumen mat. 
     
     
       37. The household appliance of  claim 31 , wherein the covering plate and the acoustic sealing frame extend over a corner region of the interior space. 
     
     
       38. The household appliance of  claim 31 , wherein the acoustic sealing frame is fixed to the appliance wall by at least one of mechanical securement and gluing. 
     
     
       39. The household appliance of  claim 31 , wherein the covering plate is fixed to the acoustic sealing frame by at least one of mechanical securement and gluing. 
     
     
       40. The household appliance of  claim 31 , further comprising an additional external housing wall which flanks the appliance wall, wherein the acoustic sealing frame and the covering plate are positively held in a gap space between the appliance wall and the additional external housing wall. 
     
     
       41. The household appliance of  claim 40 , wherein the covering plate forms or replaces at least part of the external housing wall. 
     
     
       42. The household appliance of  claim 31 , wherein the covering plate is produced from a substantially air-borne noise damping material. 
     
     
       43. The household appliance of  claim 42 , wherein the substantially air-borne noise damping material includes fibers selected from the group consisting of cotton, kenaf, and polyester fibers, or includes at least one of embossed fleece or felt, cardboard, and plastic. 
     
     
       44. The household appliance of  claim 31 , wherein the acoustic sealing frame has a geometric shape which is closed all the way around, and is mounted on an edge zone of the appliance wall. 
     
     
       45. The household appliance of  claim 44 , wherein the acoustic sealing frame has a substantially rectangular configuration. 
     
     
       46. The household appliance of  claim 31 , constructed as a dishwasher,
 wherein the interior space is a dishwasher interior and the appliance wall comprises washing tank walls, and 
 wherein the dishwasher interior is surrounded by the washing tank walls and a door, with at least one of the washing tank walls and an inner wall of the door being externally provided with an acoustic sealing frame and a covering plate. 
 
     
     
       47. The household appliance of  claim 31 , wherein the acoustic sealing frame is formed by a structured or panel element which has a through-opening, said covering plate closing the through-opening. 
     
     
       48. The household appliance of  claim 47 , wherein the structured or panel element is an acoustic insulation mat or an acoustic and thermal insulation mat. 
     
     
       49. The household appliance of  claim 47 , wherein the structured or panel element is produced from a substantially air-borne noise absorbing material. 
     
     
       50. The household appliance of  claim 47 , wherein the structured or panel element is produced from an absorbent fleece. 
     
     
       51. The household appliance of  claim 31 , wherein the acoustic sealing frame has a through-opening and is mounted on the appliance wall in such a way that the through-opening comes to rest over a three-dimensionally contoured uneven or outwardly projecting partial area of the appliance wall. 
     
     
       52. The household appliance of  claim 31 , wherein the acoustic sealing frame rests largely completely on a substantially planar partial area of the appliance wall. 
     
     
       53. The household appliance of  claim 52 , wherein the substantially planar partial area is an edge zone area of the appliance wall. 
     
     
       54. The household appliance of  claim 31 , wherein the covering plate is constructed so as to be substantially planar. 
     
     
       55. The household appliance of  claim 31 , wherein the covering plate has a layer thickness which is less than a layer thickness of the acoustic sealing frame. 
     
     
       56. The household appliance of  claim 31 , wherein the covering plate is shaped and dimensioned to overlap an edge zone on an outside of the acoustic sealing frame to cover a through-opening of the acoustic sealing frame. 
     
     
       57. The household appliance of  claim 31 , wherein the acoustic sealing frame comprises a plurality of elongate frame sections. 
     
     
       58. The household appliance of  claim 57 , wherein the plurality of elongate frame sections define the continuous inner periphery. 
     
     
       59. The household appliance of  claim 31 , wherein the gap comprises a void.

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